diff options
Diffstat (limited to 'drivers/media/dvb/frontends')
24 files changed, 1977 insertions, 101 deletions
diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig index ebb5ed7a7783..21246707fbfb 100644 --- a/drivers/media/dvb/frontends/Kconfig +++ b/drivers/media/dvb/frontends/Kconfig @@ -425,6 +425,13 @@ config DVB_CXD2820R help Say Y when you want to support this frontend. +config DVB_RTL2830 + tristate "Realtek RTL2830 DVB-T" + depends on DVB_CORE && I2C + default m if DVB_FE_CUSTOMISE + help + Say Y when you want to support this frontend. + comment "DVB-C (cable) frontends" depends on DVB_CORE @@ -698,6 +705,14 @@ config DVB_IT913X_FE A DVB-T tuner module. Say Y when you want to support this frontend. +config DVB_M88RS2000 + tristate "M88RS2000 DVB-S demodulator and tuner" + depends on DVB_CORE && I2C + default m if DVB_FE_CUSTOMISE + help + A DVB-S tuner module. + Say Y when you want to support this frontend. + comment "Tools to develop new frontends" config DVB_DUMMY_FE diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index 00a20636df62..86fa808bf589 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile @@ -2,8 +2,8 @@ # Makefile for the kernel DVB frontend device drivers. # -ccflags-y += -Idrivers/media/dvb/dvb-core/ -ccflags-y += -Idrivers/media/common/tuners/ +ccflags-y += -I$(srctree)/drivers/media/dvb/dvb-core/ +ccflags-y += -I$(srctree)/drivers/media/common/tuners/ stb0899-objs = stb0899_drv.o stb0899_algo.o stv0900-objs = stv0900_core.o stv0900_sw.o @@ -96,4 +96,6 @@ obj-$(CONFIG_DVB_TDA18271C2DD) += tda18271c2dd.o obj-$(CONFIG_DVB_IT913X_FE) += it913x-fe.o obj-$(CONFIG_DVB_A8293) += a8293.o obj-$(CONFIG_DVB_TDA10071) += tda10071.o +obj-$(CONFIG_DVB_RTL2830) += rtl2830.o +obj-$(CONFIG_DVB_M88RS2000) += m88rs2000.o diff --git a/drivers/media/dvb/frontends/au8522_decoder.c b/drivers/media/dvb/frontends/au8522_decoder.c index 2b248c12f404..55b6390198e3 100644 --- a/drivers/media/dvb/frontends/au8522_decoder.c +++ b/drivers/media/dvb/frontends/au8522_decoder.c @@ -839,15 +839,4 @@ static struct i2c_driver au8522_driver = { .id_table = au8522_id, }; -static __init int init_au8522(void) -{ - return i2c_add_driver(&au8522_driver); -} - -static __exit void exit_au8522(void) -{ - i2c_del_driver(&au8522_driver); -} - -module_init(init_au8522); -module_exit(exit_au8522); +module_i2c_driver(au8522_driver); diff --git a/drivers/media/dvb/frontends/au8522_dig.c b/drivers/media/dvb/frontends/au8522_dig.c index c688b95df486..25f650934c73 100644 --- a/drivers/media/dvb/frontends/au8522_dig.c +++ b/drivers/media/dvb/frontends/au8522_dig.c @@ -588,11 +588,6 @@ static int au8522_set_frontend(struct dvb_frontend *fe) (state->current_modulation == c->modulation)) return 0; - au8522_enable_modulation(fe, c->modulation); - - /* Allow the demod to settle */ - msleep(100); - if (fe->ops.tuner_ops.set_params) { if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); @@ -604,6 +599,11 @@ static int au8522_set_frontend(struct dvb_frontend *fe) if (ret < 0) return ret; + /* Allow the tuner to settle */ + msleep(100); + + au8522_enable_modulation(fe, c->modulation); + state->current_frequency = c->frequency; return 0; diff --git a/drivers/media/dvb/frontends/cx22702.c b/drivers/media/dvb/frontends/cx22702.c index faba82485086..edc8eafc5c09 100644 --- a/drivers/media/dvb/frontends/cx22702.c +++ b/drivers/media/dvb/frontends/cx22702.c @@ -502,10 +502,26 @@ static int cx22702_read_signal_strength(struct dvb_frontend *fe, u16 *signal_strength) { struct cx22702_state *state = fe->demodulator_priv; + u8 reg23; - u16 rs_ber; - rs_ber = cx22702_readreg(state, 0x23); - *signal_strength = (rs_ber << 8) | rs_ber; + /* + * Experience suggests that the strength signal register works as + * follows: + * - In the absence of signal, value is 0xff. + * - In the presence of a weak signal, bit 7 is set, not sure what + * the lower 7 bits mean. + * - In the presence of a strong signal, the register holds a 7-bit + * value (bit 7 is cleared), with greater values standing for + * weaker signals. + */ + reg23 = cx22702_readreg(state, 0x23); + if (reg23 & 0x80) { + *signal_strength = 0; + } else { + reg23 = ~reg23 & 0x7f; + /* Scale to 16 bit */ + *signal_strength = (reg23 << 9) | (reg23 << 2) | (reg23 >> 5); + } return 0; } diff --git a/drivers/media/dvb/frontends/dib0090.c b/drivers/media/dvb/frontends/dib0090.c index 224d81e85091..d9fe60b4be48 100644 --- a/drivers/media/dvb/frontends/dib0090.c +++ b/drivers/media/dvb/frontends/dib0090.c @@ -519,7 +519,7 @@ static int dib0090_fw_identify(struct dvb_frontend *fe) return 0; identification_error: - return -EIO;; + return -EIO; } static void dib0090_reset_digital(struct dvb_frontend *fe, const struct dib0090_config *cfg) diff --git a/drivers/media/dvb/frontends/dib9000.c b/drivers/media/dvb/frontends/dib9000.c index 863ef3cfab9f..80848b4c15d4 100644 --- a/drivers/media/dvb/frontends/dib9000.c +++ b/drivers/media/dvb/frontends/dib9000.c @@ -33,7 +33,7 @@ struct i2c_device { /* lock */ #define DIB_LOCK struct mutex -#define DibAcquireLock(lock) do { if (mutex_lock_interruptible(lock) < 0) dprintk("could not get the lock"); } while (0) +#define DibAcquireLock(lock) mutex_lock_interruptible(lock) #define DibReleaseLock(lock) mutex_unlock(lock) #define DibInitLock(lock) mutex_init(lock) #define DibFreeLock(lock) @@ -446,7 +446,10 @@ static int dib9000_risc_mem_read(struct dib9000_state *state, u8 cmd, u8 * b, u1 if (!state->platform.risc.fw_is_running) return -EIO; - DibAcquireLock(&state->platform.risc.mem_lock); + if (DibAcquireLock(&state->platform.risc.mem_lock) < 0) { + dprintk("could not get the lock"); + return -EINTR; + } dib9000_risc_mem_setup(state, cmd | 0x80); dib9000_risc_mem_read_chunks(state, b, len); DibReleaseLock(&state->platform.risc.mem_lock); @@ -459,7 +462,10 @@ static int dib9000_risc_mem_write(struct dib9000_state *state, u8 cmd, const u8 if (!state->platform.risc.fw_is_running) return -EIO; - DibAcquireLock(&state->platform.risc.mem_lock); + if (DibAcquireLock(&state->platform.risc.mem_lock) < 0) { + dprintk("could not get the lock"); + return -EINTR; + } dib9000_risc_mem_setup(state, cmd); dib9000_risc_mem_write_chunks(state, b, m->size); DibReleaseLock(&state->platform.risc.mem_lock); @@ -531,7 +537,10 @@ static int dib9000_mbx_send_attr(struct dib9000_state *state, u8 id, u16 * data, if (!state->platform.risc.fw_is_running) return -EINVAL; - DibAcquireLock(&state->platform.risc.mbx_if_lock); + if (DibAcquireLock(&state->platform.risc.mbx_if_lock) < 0) { + dprintk("could not get the lock"); + return -EINTR; + } tmp = MAX_MAILBOX_TRY; do { size = dib9000_read_word_attr(state, 1043, attr) & 0xff; @@ -593,7 +602,10 @@ static u8 dib9000_mbx_read(struct dib9000_state *state, u16 * data, u8 risc_id, if (!state->platform.risc.fw_is_running) return 0; - DibAcquireLock(&state->platform.risc.mbx_if_lock); + if (DibAcquireLock(&state->platform.risc.mbx_if_lock) < 0) { + dprintk("could not get the lock"); + return 0; + } if (risc_id == 1) mc_base = 16; else @@ -701,7 +713,10 @@ static int dib9000_mbx_process(struct dib9000_state *state, u16 attr) if (!state->platform.risc.fw_is_running) return -1; - DibAcquireLock(&state->platform.risc.mbx_lock); + if (DibAcquireLock(&state->platform.risc.mbx_lock) < 0) { + dprintk("could not get the lock"); + return -1; + } if (dib9000_mbx_count(state, 1, attr)) /* 1=RiscB */ ret = dib9000_mbx_fetch_to_cache(state, attr); @@ -1178,7 +1193,10 @@ static int dib9000_fw_get_channel(struct dvb_frontend *fe) struct dibDVBTChannel *ch; int ret = 0; - DibAcquireLock(&state->platform.risc.mem_mbx_lock); + if (DibAcquireLock(&state->platform.risc.mem_mbx_lock) < 0) { + dprintk("could not get the lock"); + return -EINTR; + } if (dib9000_fw_memmbx_sync(state, FE_SYNC_CHANNEL) < 0) { ret = -EIO; goto error; @@ -1660,7 +1678,10 @@ static int dib9000_fw_component_bus_xfer(struct i2c_adapter *i2c_adap, struct i2 p[12] = 0; } - DibAcquireLock(&state->platform.risc.mem_mbx_lock); + if (DibAcquireLock(&state->platform.risc.mem_mbx_lock) < 0) { + dprintk("could not get the lock"); + return 0; + } dib9000_risc_mem_write(state, FE_MM_W_COMPONENT_ACCESS, p); @@ -1768,7 +1789,10 @@ int dib9000_fw_pid_filter_ctrl(struct dvb_frontend *fe, u8 onoff) return 0; } - DibAcquireLock(&state->demod_lock); + if (DibAcquireLock(&state->demod_lock) < 0) { + dprintk("could not get the lock"); + return -EINTR; + } val = dib9000_read_word(state, 294 + 1) & 0xffef; val |= (onoff & 0x1) << 4; @@ -1800,7 +1824,10 @@ int dib9000_fw_pid_filter(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff) return 0; } - DibAcquireLock(&state->demod_lock); + if (DibAcquireLock(&state->demod_lock) < 0) { + dprintk("could not get the lock"); + return -EINTR; + } dprintk("Index %x, PID %d, OnOff %d", id, pid, onoff); ret = dib9000_write_word(state, 300 + 1 + id, onoff ? (1 << 13) | pid : 0); @@ -1848,7 +1875,10 @@ static int dib9000_sleep(struct dvb_frontend *fe) u8 index_frontend; int ret = 0; - DibAcquireLock(&state->demod_lock); + if (DibAcquireLock(&state->demod_lock) < 0) { + dprintk("could not get the lock"); + return -EINTR; + } for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) { ret = state->fe[index_frontend]->ops.sleep(state->fe[index_frontend]); if (ret < 0) @@ -1874,8 +1904,12 @@ static int dib9000_get_frontend(struct dvb_frontend *fe) fe_status_t stat; int ret = 0; - if (state->get_frontend_internal == 0) - DibAcquireLock(&state->demod_lock); + if (state->get_frontend_internal == 0) { + if (DibAcquireLock(&state->demod_lock) < 0) { + dprintk("could not get the lock"); + return -EINTR; + } + } for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) { state->fe[index_frontend]->ops.read_status(state->fe[index_frontend], &stat); @@ -1978,7 +2012,10 @@ static int dib9000_set_frontend(struct dvb_frontend *fe) } state->pid_ctrl_index = -1; /* postpone the pid filtering cmd */ - DibAcquireLock(&state->demod_lock); + if (DibAcquireLock(&state->demod_lock) < 0) { + dprintk("could not get the lock"); + return 0; + } fe->dtv_property_cache.delivery_system = SYS_DVBT; @@ -2138,7 +2175,10 @@ static int dib9000_read_status(struct dvb_frontend *fe, fe_status_t * stat) u8 index_frontend; u16 lock = 0, lock_slave = 0; - DibAcquireLock(&state->demod_lock); + if (DibAcquireLock(&state->demod_lock) < 0) { + dprintk("could not get the lock"); + return -EINTR; + } for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) lock_slave |= dib9000_read_lock(state->fe[index_frontend]); @@ -2168,8 +2208,15 @@ static int dib9000_read_ber(struct dvb_frontend *fe, u32 * ber) u16 *c; int ret = 0; - DibAcquireLock(&state->demod_lock); - DibAcquireLock(&state->platform.risc.mem_mbx_lock); + if (DibAcquireLock(&state->demod_lock) < 0) { + dprintk("could not get the lock"); + return -EINTR; + } + if (DibAcquireLock(&state->platform.risc.mem_mbx_lock) < 0) { + dprintk("could not get the lock"); + ret = -EINTR; + goto error; + } if (dib9000_fw_memmbx_sync(state, FE_SYNC_CHANNEL) < 0) { DibReleaseLock(&state->platform.risc.mem_mbx_lock); ret = -EIO; @@ -2196,7 +2243,10 @@ static int dib9000_read_signal_strength(struct dvb_frontend *fe, u16 * strength) u16 val; int ret = 0; - DibAcquireLock(&state->demod_lock); + if (DibAcquireLock(&state->demod_lock) < 0) { + dprintk("could not get the lock"); + return -EINTR; + } *strength = 0; for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) { state->fe[index_frontend]->ops.read_signal_strength(state->fe[index_frontend], &val); @@ -2206,8 +2256,13 @@ static int dib9000_read_signal_strength(struct dvb_frontend *fe, u16 * strength) *strength += val; } - DibAcquireLock(&state->platform.risc.mem_mbx_lock); + if (DibAcquireLock(&state->platform.risc.mem_mbx_lock) < 0) { + dprintk("could not get the lock"); + ret = -EINTR; + goto error; + } if (dib9000_fw_memmbx_sync(state, FE_SYNC_CHANNEL) < 0) { + DibReleaseLock(&state->platform.risc.mem_mbx_lock); ret = -EIO; goto error; } @@ -2232,9 +2287,14 @@ static u32 dib9000_get_snr(struct dvb_frontend *fe) u32 n, s, exp; u16 val; - DibAcquireLock(&state->platform.risc.mem_mbx_lock); - if (dib9000_fw_memmbx_sync(state, FE_SYNC_CHANNEL) < 0) - return -EIO; + if (DibAcquireLock(&state->platform.risc.mem_mbx_lock) < 0) { + dprintk("could not get the lock"); + return 0; + } + if (dib9000_fw_memmbx_sync(state, FE_SYNC_CHANNEL) < 0) { + DibReleaseLock(&state->platform.risc.mem_mbx_lock); + return 0; + } dib9000_risc_mem_read(state, FE_MM_R_FE_MONITOR, (u8 *) c, 16 * 2); DibReleaseLock(&state->platform.risc.mem_mbx_lock); @@ -2266,7 +2326,10 @@ static int dib9000_read_snr(struct dvb_frontend *fe, u16 * snr) u8 index_frontend; u32 snr_master; - DibAcquireLock(&state->demod_lock); + if (DibAcquireLock(&state->demod_lock) < 0) { + dprintk("could not get the lock"); + return -EINTR; + } snr_master = dib9000_get_snr(fe); for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) snr_master += dib9000_get_snr(state->fe[index_frontend]); @@ -2288,9 +2351,17 @@ static int dib9000_read_unc_blocks(struct dvb_frontend *fe, u32 * unc) u16 *c = (u16 *)state->i2c_read_buffer; int ret = 0; - DibAcquireLock(&state->demod_lock); - DibAcquireLock(&state->platform.risc.mem_mbx_lock); + if (DibAcquireLock(&state->demod_lock) < 0) { + dprintk("could not get the lock"); + return -EINTR; + } + if (DibAcquireLock(&state->platform.risc.mem_mbx_lock) < 0) { + dprintk("could not get the lock"); + ret = -EINTR; + goto error; + } if (dib9000_fw_memmbx_sync(state, FE_SYNC_CHANNEL) < 0) { + DibReleaseLock(&state->platform.risc.mem_mbx_lock); ret = -EIO; goto error; } diff --git a/drivers/media/dvb/frontends/drxd_hard.c b/drivers/media/dvb/frontends/drxd_hard.c index 7bf39cda83c5..f380eb43e9d5 100644 --- a/drivers/media/dvb/frontends/drxd_hard.c +++ b/drivers/media/dvb/frontends/drxd_hard.c @@ -101,9 +101,9 @@ struct SCfgAgc { struct SNoiseCal { int cpOpt; - u16 cpNexpOfs; - u16 tdCal2k; - u16 tdCal8k; + short cpNexpOfs; + short tdCal2k; + short tdCal8k; }; enum app_env { diff --git a/drivers/media/dvb/frontends/drxk.h b/drivers/media/dvb/frontends/drxk.h index 020981844a86..9d64e4fea066 100644 --- a/drivers/media/dvb/frontends/drxk.h +++ b/drivers/media/dvb/frontends/drxk.h @@ -7,15 +7,19 @@ /** * struct drxk_config - Configure the initial parameters for DRX-K * - * adr: I2C Address of the DRX-K - * parallel_ts: true means that the device uses parallel TS, + * @adr: I2C Address of the DRX-K + * @parallel_ts: True means that the device uses parallel TS, * Serial otherwise. - * single_master: Device is on the single master mode - * no_i2c_bridge: Don't switch the I2C bridge to talk with tuner - * antenna_gpio: GPIO bit used to control the antenna - * antenna_dvbt: GPIO bit for changing antenna to DVB-C. A value of 1 + * @dynamic_clk: True means that the clock will be dynamically + * adjusted. Static clock otherwise. + * @enable_merr_cfg: Enable SIO_PDR_PERR_CFG/SIO_PDR_MVAL_CFG. + * @single_master: Device is on the single master mode + * @no_i2c_bridge: Don't switch the I2C bridge to talk with tuner + * @antenna_gpio: GPIO bit used to control the antenna + * @antenna_dvbt: GPIO bit for changing antenna to DVB-C. A value of 1 * means that 1=DVBC, 0 = DVBT. Zero means the opposite. - * microcode_name: Name of the firmware file with the microcode + * @mpeg_out_clk_strength: DRXK Mpeg output clock drive strength. + * @microcode_name: Name of the firmware file with the microcode * * On the *_gpio vars, bit 0 is UIO-1, bit 1 is UIO-2 and bit 2 is * UIO-3. @@ -25,11 +29,14 @@ struct drxk_config { bool single_master; bool no_i2c_bridge; bool parallel_ts; + bool dynamic_clk; + bool enable_merr_cfg; bool antenna_dvbt; u16 antenna_gpio; - int chunk_size; + u8 mpeg_out_clk_strength; + int chunk_size; const char *microcode_name; }; diff --git a/drivers/media/dvb/frontends/drxk_hard.c b/drivers/media/dvb/frontends/drxk_hard.c index 6980ed7b8786..36d11756492f 100644 --- a/drivers/media/dvb/frontends/drxk_hard.c +++ b/drivers/media/dvb/frontends/drxk_hard.c @@ -28,7 +28,6 @@ #include <linux/delay.h> #include <linux/firmware.h> #include <linux/i2c.h> -#include <linux/version.h> #include <asm/div64.h> #include "dvb_frontend.h" @@ -91,10 +90,6 @@ bool IsA1WithRomCode(struct drxk_state *state) #define DRXK_MPEG_PARALLEL_OUTPUT_PIN_DRIVE_STRENGTH (0x03) #endif -#ifndef DRXK_MPEG_OUTPUT_CLK_DRIVE_STRENGTH -#define DRXK_MPEG_OUTPUT_CLK_DRIVE_STRENGTH (0x06) -#endif - #define DEFAULT_DRXK_MPEG_LOCK_TIMEOUT 700 #define DEFAULT_DRXK_DEMOD_LOCK_TIMEOUT 500 @@ -650,9 +645,6 @@ static int init_state(struct drxk_state *state) u32 ulQual83 = DEFAULT_MER_83; u32 ulQual93 = DEFAULT_MER_93; - u32 ulDVBTStaticTSClock = 1; - u32 ulDVBCStaticTSClock = 1; - u32 ulMpegLockTimeOut = DEFAULT_DRXK_MPEG_LOCK_TIMEOUT; u32 ulDemodLockTimeOut = DEFAULT_DRXK_DEMOD_LOCK_TIMEOUT; @@ -662,7 +654,6 @@ static int init_state(struct drxk_state *state) u32 ulGPIOCfg = 0x0113; u32 ulInvertTSClock = 0; u32 ulTSDataStrength = DRXK_MPEG_SERIAL_OUTPUT_PIN_DRIVE_STRENGTH; - u32 ulTSClockkStrength = DRXK_MPEG_OUTPUT_CLK_DRIVE_STRENGTH; u32 ulDVBTBitrate = 50000000; u32 ulDVBCBitrate = DRXK_QAM_SYMBOLRATE_MAX * 8; @@ -815,8 +806,7 @@ static int init_state(struct drxk_state *state) state->m_invertSTR = false; /* If TRUE; invert STR signals */ state->m_invertVAL = false; /* If TRUE; invert VAL signals */ state->m_invertCLK = (ulInvertTSClock != 0); /* If TRUE; invert CLK signals */ - state->m_DVBTStaticCLK = (ulDVBTStaticTSClock != 0); - state->m_DVBCStaticCLK = (ulDVBCStaticTSClock != 0); + /* If TRUE; static MPEG clockrate will be used; otherwise clockrate will adapt to the bitrate of the TS */ @@ -824,7 +814,6 @@ static int init_state(struct drxk_state *state) state->m_DVBCBitrate = ulDVBCBitrate; state->m_TSDataStrength = (ulTSDataStrength & 0x07); - state->m_TSClockkStrength = (ulTSClockkStrength & 0x07); /* Maximum bitrate in b/s in case static clockrate is selected */ state->m_mpegTsStaticBitrate = 19392658; @@ -1189,6 +1178,7 @@ static int MPEGTSConfigurePins(struct drxk_state *state, bool mpegEnable) int status = -1; u16 sioPdrMclkCfg = 0; u16 sioPdrMdxCfg = 0; + u16 err_cfg = 0; dprintk(1, ": mpeg %s, %s mode\n", mpegEnable ? "enable" : "disable", @@ -1254,12 +1244,17 @@ static int MPEGTSConfigurePins(struct drxk_state *state, bool mpegEnable) status = write16(state, SIO_PDR_MSTRT_CFG__A, sioPdrMdxCfg); if (status < 0) goto error; - status = write16(state, SIO_PDR_MERR_CFG__A, 0x0000); /* Disable */ + + if (state->enable_merr_cfg) + err_cfg = sioPdrMdxCfg; + + status = write16(state, SIO_PDR_MERR_CFG__A, err_cfg); if (status < 0) goto error; - status = write16(state, SIO_PDR_MVAL_CFG__A, 0x0000); /* Disable */ + status = write16(state, SIO_PDR_MVAL_CFG__A, err_cfg); if (status < 0) goto error; + if (state->m_enableParallel == true) { /* paralel -> enable MD1 to MD7 */ status = write16(state, SIO_PDR_MD1_CFG__A, sioPdrMdxCfg); @@ -6070,9 +6065,7 @@ static int init_drxk(struct drxk_state *state) if (status < 0) goto error; - if (!state->microcode_name) - load_microcode(state, "drxk_a3.mc"); - else + if (state->microcode_name) load_microcode(state, state->microcode_name); /* disable token-ring bus through OFDM block for possible ucode upload */ @@ -6323,15 +6316,12 @@ static int drxk_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_t switch (p->delivery_system) { case SYS_DVBC_ANNEX_A: case SYS_DVBC_ANNEX_C: + case SYS_DVBT: sets->min_delay_ms = 3000; sets->max_drift = 0; sets->step_size = 0; return 0; default: - /* - * For DVB-T, let it use the default DVB core way, that is: - * fepriv->step_size = fe->ops.info.frequency_stepsize * 2 - */ return -EINVAL; } } @@ -6391,6 +6381,21 @@ struct dvb_frontend *drxk_attach(const struct drxk_config *config, state->antenna_gpio = config->antenna_gpio; state->antenna_dvbt = config->antenna_dvbt; state->m_ChunkSize = config->chunk_size; + state->enable_merr_cfg = config->enable_merr_cfg; + + if (config->dynamic_clk) { + state->m_DVBTStaticCLK = 0; + state->m_DVBCStaticCLK = 0; + } else { + state->m_DVBTStaticCLK = 1; + state->m_DVBCStaticCLK = 1; + } + + + if (config->mpeg_out_clk_strength) + state->m_TSClockkStrength = config->mpeg_out_clk_strength & 0x07; + else + state->m_TSClockkStrength = 0x06; if (config->parallel_ts) state->m_enableParallel = true; diff --git a/drivers/media/dvb/frontends/drxk_hard.h b/drivers/media/dvb/frontends/drxk_hard.h index 3a58b73eb9b9..4bbf841de83a 100644 --- a/drivers/media/dvb/frontends/drxk_hard.h +++ b/drivers/media/dvb/frontends/drxk_hard.h @@ -332,6 +332,7 @@ struct drxk_state { u16 UIO_mask; /* Bits used by UIO */ + bool enable_merr_cfg; bool single_master; bool no_i2c_bridge; bool antenna_dvbt; diff --git a/drivers/media/dvb/frontends/it913x-fe-priv.h b/drivers/media/dvb/frontends/it913x-fe-priv.h index 93b086ea7e1c..eb6fd8aebdb3 100644 --- a/drivers/media/dvb/frontends/it913x-fe-priv.h +++ b/drivers/media/dvb/frontends/it913x-fe-priv.h @@ -201,6 +201,11 @@ fe_modulation_t fe_con[] = { QAM_64, }; +enum { + PRIORITY_HIGH = 0, /* High-priority stream */ + PRIORITY_LOW, /* Low-priority stream */ +}; + /* Standard demodulator functions */ static struct it913xset set_solo_fe[] = { {PRO_LINK, GPIOH5_EN, {0x01}, 0x01}, diff --git a/drivers/media/dvb/frontends/it913x-fe.c b/drivers/media/dvb/frontends/it913x-fe.c index ccc36bf2deb4..84df03c29179 100644 --- a/drivers/media/dvb/frontends/it913x-fe.c +++ b/drivers/media/dvb/frontends/it913x-fe.c @@ -57,6 +57,7 @@ struct it913x_fe_state { u32 frequency; fe_modulation_t constellation; fe_transmit_mode_t transmission_mode; + u8 priority; u32 crystalFrequency; u32 adcFrequency; u8 tuner_type; @@ -500,19 +501,87 @@ static int it913x_fe_read_status(struct dvb_frontend *fe, fe_status_t *status) return 0; } +/* FEC values based on fe_code_rate_t non supported values 0*/ +int it913x_qpsk_pval[] = {0, -93, -91, -90, 0, -89, -88}; +int it913x_16qam_pval[] = {0, -87, -85, -84, 0, -83, -82}; +int it913x_64qam_pval[] = {0, -82, -80, -78, 0, -77, -76}; + +static int it913x_get_signal_strength(struct dvb_frontend *fe) +{ + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + struct it913x_fe_state *state = fe->demodulator_priv; + u8 code_rate; + int ret, temp; + u8 lna_gain_os; + + ret = it913x_read_reg_u8(state, VAR_P_INBAND); + if (ret < 0) + return ret; + + /* VHF/UHF gain offset */ + if (state->frequency < 300000000) + lna_gain_os = 7; + else + lna_gain_os = 14; + + temp = (ret - 100) - lna_gain_os; + + if (state->priority == PRIORITY_HIGH) + code_rate = p->code_rate_HP; + else + code_rate = p->code_rate_LP; + + if (code_rate >= ARRAY_SIZE(it913x_qpsk_pval)) + return -EINVAL; + + deb_info("Reg VAR_P_INBAND:%d Calc Offset Value:%d", ret, temp); + + /* Apply FEC offset values*/ + switch (p->modulation) { + case QPSK: + temp -= it913x_qpsk_pval[code_rate]; + break; + case QAM_16: + temp -= it913x_16qam_pval[code_rate]; + break; + case QAM_64: + temp -= it913x_64qam_pval[code_rate]; + break; + default: + return -EINVAL; + } + + if (temp < -15) + ret = 0; + else if ((-15 <= temp) && (temp < 0)) + ret = (2 * (temp + 15)) / 3; + else if ((0 <= temp) && (temp < 20)) + ret = 4 * temp + 10; + else if ((20 <= temp) && (temp < 35)) + ret = (2 * (temp - 20)) / 3 + 90; + else if (temp >= 35) + ret = 100; + + deb_info("Signal Strength :%d", ret); + + return ret; +} + static int it913x_fe_read_signal_strength(struct dvb_frontend *fe, u16 *strength) { struct it913x_fe_state *state = fe->demodulator_priv; - int ret = it913x_read_reg_u8(state, SIGNAL_LEVEL); - /*SIGNAL_LEVEL always returns 100%! so using FE_HAS_SIGNAL as switch*/ - if (state->it913x_status & FE_HAS_SIGNAL) - ret = (ret * 0xff) / 0x64; - else - ret = 0x0; - ret |= ret << 0x8; - *strength = ret; - return 0; + int ret = 0; + if (state->config->read_slevel) { + if (state->it913x_status & FE_HAS_SIGNAL) + ret = it913x_read_reg_u8(state, SIGNAL_LEVEL); + } else + ret = it913x_get_signal_strength(fe); + + if (ret >= 0) + *strength = (u16)((u32)ret * 0xffff / 0x64); + + return (ret < 0) ? -ENODEV : 0; } static int it913x_fe_read_snr(struct dvb_frontend *fe, u16 *snr) @@ -606,6 +675,8 @@ static int it913x_fe_get_frontend(struct dvb_frontend *fe) if (reg[2] < 4) p->hierarchy = fe_hi[reg[2]]; + state->priority = reg[5]; + p->code_rate_HP = (reg[6] < 6) ? fe_code[reg[6]] : FEC_NONE; p->code_rate_LP = (reg[7] < 6) ? fe_code[reg[7]] : FEC_NONE; @@ -972,5 +1043,5 @@ static struct dvb_frontend_ops it913x_fe_ofdm_ops = { MODULE_DESCRIPTION("it913x Frontend and it9137 tuner"); MODULE_AUTHOR("Malcolm Priestley tvboxspy@gmail.com"); -MODULE_VERSION("1.13"); +MODULE_VERSION("1.15"); MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb/frontends/it913x-fe.h b/drivers/media/dvb/frontends/it913x-fe.h index c4a908e354e0..07fa4594c12b 100644 --- a/drivers/media/dvb/frontends/it913x-fe.h +++ b/drivers/media/dvb/frontends/it913x-fe.h @@ -34,6 +34,8 @@ struct ite_config { u8 tuner_id_1; u8 dual_mode; u8 adf; + /* option to read SIGNAL_LEVEL */ + u8 read_slevel; }; #if defined(CONFIG_DVB_IT913X_FE) || (defined(CONFIG_DVB_IT913X_FE_MODULE) && \ @@ -168,6 +170,8 @@ static inline struct dvb_frontend *it913x_fe_attach( #define EST_SIGNAL_LEVEL 0x004a #define FREE_BAND 0x004b #define SUSPEND_FLAG 0x004c +#define VAR_P_INBAND 0x00f7 + /* Build in tuner types */ #define IT9137 0x38 #define IT9135_38 0x38 diff --git a/drivers/media/dvb/frontends/lgdt330x.c b/drivers/media/dvb/frontends/lgdt330x.c index c990d35a13dc..e046622df0e4 100644 --- a/drivers/media/dvb/frontends/lgdt330x.c +++ b/drivers/media/dvb/frontends/lgdt330x.c @@ -104,8 +104,8 @@ static int i2c_write_demod_bytes (struct lgdt330x_state* state, * then reads the data returned for (len) bytes. */ -static u8 i2c_read_demod_bytes (struct lgdt330x_state* state, - enum I2C_REG reg, u8* buf, int len) +static int i2c_read_demod_bytes(struct lgdt330x_state *state, + enum I2C_REG reg, u8 *buf, int len) { u8 wr [] = { reg }; struct i2c_msg msg [] = { @@ -118,6 +118,8 @@ static u8 i2c_read_demod_bytes (struct lgdt330x_state* state, ret = i2c_transfer(state->i2c, msg, 2); if (ret != 2) { printk(KERN_WARNING "lgdt330x: %s: addr 0x%02x select 0x%02x error (ret == %i)\n", __func__, state->config->demod_address, reg, ret); + if (ret >= 0) + ret = -EIO; } else { ret = 0; } diff --git a/drivers/media/dvb/frontends/m88rs2000.c b/drivers/media/dvb/frontends/m88rs2000.c new file mode 100644 index 000000000000..045ee5a6f7ae --- /dev/null +++ b/drivers/media/dvb/frontends/m88rs2000.c @@ -0,0 +1,904 @@ +/* + Driver for M88RS2000 demodulator and tuner + + Copyright (C) 2012 Malcolm Priestley (tvboxspy@gmail.com) + Beta Driver + + Include various calculation code from DS3000 driver. + Copyright (C) 2009 Konstantin Dimitrov. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/jiffies.h> +#include <linux/string.h> +#include <linux/slab.h> +#include <linux/types.h> + + +#include "dvb_frontend.h" +#include "m88rs2000.h" + +struct m88rs2000_state { + struct i2c_adapter *i2c; + const struct m88rs2000_config *config; + struct dvb_frontend frontend; + u8 no_lock_count; + u32 tuner_frequency; + u32 symbol_rate; + fe_code_rate_t fec_inner; + u8 tuner_level; + int errmode; +}; + +static int m88rs2000_debug; + +module_param_named(debug, m88rs2000_debug, int, 0644); +MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))."); + +#define dprintk(level, args...) do { \ + if (level & m88rs2000_debug) \ + printk(KERN_DEBUG "m88rs2000-fe: " args); \ +} while (0) + +#define deb_info(args...) dprintk(0x01, args) +#define info(format, arg...) \ + printk(KERN_INFO "m88rs2000-fe: " format "\n" , ## arg) + +static int m88rs2000_writereg(struct m88rs2000_state *state, u8 tuner, + u8 reg, u8 data) +{ + int ret; + u8 addr = (tuner == 0) ? state->config->tuner_addr : + state->config->demod_addr; + u8 buf[] = { reg, data }; + struct i2c_msg msg = { + .addr = addr, + .flags = 0, + .buf = buf, + .len = 2 + }; + + ret = i2c_transfer(state->i2c, &msg, 1); + + if (ret != 1) + deb_info("%s: writereg error (reg == 0x%02x, val == 0x%02x, " + "ret == %i)\n", __func__, reg, data, ret); + + return (ret != 1) ? -EREMOTEIO : 0; +} + +static int m88rs2000_demod_write(struct m88rs2000_state *state, u8 reg, u8 data) +{ + return m88rs2000_writereg(state, 1, reg, data); +} + +static int m88rs2000_tuner_write(struct m88rs2000_state *state, u8 reg, u8 data) +{ + m88rs2000_demod_write(state, 0x81, 0x84); + udelay(10); + return m88rs2000_writereg(state, 0, reg, data); + +} + +static int m88rs2000_write(struct dvb_frontend *fe, const u8 buf[], int len) +{ + struct m88rs2000_state *state = fe->demodulator_priv; + + if (len != 2) + return -EINVAL; + + return m88rs2000_writereg(state, 1, buf[0], buf[1]); +} + +static u8 m88rs2000_readreg(struct m88rs2000_state *state, u8 tuner, u8 reg) +{ + int ret; + u8 b0[] = { reg }; + u8 b1[] = { 0 }; + u8 addr = (tuner == 0) ? state->config->tuner_addr : + state->config->demod_addr; + struct i2c_msg msg[] = { + { + .addr = addr, + .flags = 0, + .buf = b0, + .len = 1 + }, { + .addr = addr, + .flags = I2C_M_RD, + .buf = b1, + .len = 1 + } + }; + + ret = i2c_transfer(state->i2c, msg, 2); + + if (ret != 2) + deb_info("%s: readreg error (reg == 0x%02x, ret == %i)\n", + __func__, reg, ret); + + return b1[0]; +} + +static u8 m88rs2000_demod_read(struct m88rs2000_state *state, u8 reg) +{ + return m88rs2000_readreg(state, 1, reg); +} + +static u8 m88rs2000_tuner_read(struct m88rs2000_state *state, u8 reg) +{ + m88rs2000_demod_write(state, 0x81, 0x85); + udelay(10); + return m88rs2000_readreg(state, 0, reg); +} + +static int m88rs2000_set_symbolrate(struct dvb_frontend *fe, u32 srate) +{ + struct m88rs2000_state *state = fe->demodulator_priv; + int ret; + u32 temp; + u8 b[3]; + + if ((srate < 1000000) || (srate > 45000000)) + return -EINVAL; + + temp = srate / 1000; + temp *= 11831; + temp /= 68; + temp -= 3; + + b[0] = (u8) (temp >> 16) & 0xff; + b[1] = (u8) (temp >> 8) & 0xff; + b[2] = (u8) temp & 0xff; + ret = m88rs2000_demod_write(state, 0x93, b[2]); + ret |= m88rs2000_demod_write(state, 0x94, b[1]); + ret |= m88rs2000_demod_write(state, 0x95, b[0]); + + deb_info("m88rs2000: m88rs2000_set_symbolrate\n"); + return ret; +} + +static int m88rs2000_send_diseqc_msg(struct dvb_frontend *fe, + struct dvb_diseqc_master_cmd *m) +{ + struct m88rs2000_state *state = fe->demodulator_priv; + + int i; + u8 reg; + deb_info("%s\n", __func__); + m88rs2000_demod_write(state, 0x9a, 0x30); + reg = m88rs2000_demod_read(state, 0xb2); + reg &= 0x3f; + m88rs2000_demod_write(state, 0xb2, reg); + for (i = 0; i < m->msg_len; i++) + m88rs2000_demod_write(state, 0xb3 + i, m->msg[i]); + + reg = m88rs2000_demod_read(state, 0xb1); + reg &= 0x87; + reg |= ((m->msg_len - 1) << 3) | 0x07; + reg &= 0x7f; + m88rs2000_demod_write(state, 0xb1, reg); + + for (i = 0; i < 15; i++) { + if ((m88rs2000_demod_read(state, 0xb1) & 0x40) == 0x0) + break; + msleep(20); + } + + reg = m88rs2000_demod_read(state, 0xb1); + if ((reg & 0x40) > 0x0) { + reg &= 0x7f; + reg |= 0x40; + m88rs2000_demod_write(state, 0xb1, reg); + } + + reg = m88rs2000_demod_read(state, 0xb2); + reg &= 0x3f; + reg |= 0x80; + m88rs2000_demod_write(state, 0xb2, reg); + m88rs2000_demod_write(state, 0x9a, 0xb0); + + + return 0; +} + +static int m88rs2000_send_diseqc_burst(struct dvb_frontend *fe, + fe_sec_mini_cmd_t burst) +{ + struct m88rs2000_state *state = fe->demodulator_priv; + u8 reg0, reg1; + deb_info("%s\n", __func__); + m88rs2000_demod_write(state, 0x9a, 0x30); + msleep(50); + reg0 = m88rs2000_demod_read(state, 0xb1); + reg1 = m88rs2000_demod_read(state, 0xb2); + /* TODO complete this section */ + m88rs2000_demod_write(state, 0xb2, reg1); + m88rs2000_demod_write(state, 0xb1, reg0); + m88rs2000_demod_write(state, 0x9a, 0xb0); + + return 0; +} + +static int m88rs2000_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone) +{ + struct m88rs2000_state *state = fe->demodulator_priv; + u8 reg0, reg1; + m88rs2000_demod_write(state, 0x9a, 0x30); + reg0 = m88rs2000_demod_read(state, 0xb1); + reg1 = m88rs2000_demod_read(state, 0xb2); + + reg1 &= 0x3f; + + switch (tone) { + case SEC_TONE_ON: + reg0 |= 0x4; + reg0 &= 0xbc; + break; + case SEC_TONE_OFF: + reg1 |= 0x80; + break; + default: + break; + } + m88rs2000_demod_write(state, 0xb2, reg1); + m88rs2000_demod_write(state, 0xb1, reg0); + m88rs2000_demod_write(state, 0x9a, 0xb0); + return 0; +} + +struct inittab { + u8 cmd; + u8 reg; + u8 val; +}; + +struct inittab m88rs2000_setup[] = { + {DEMOD_WRITE, 0x9a, 0x30}, + {DEMOD_WRITE, 0x00, 0x01}, + {WRITE_DELAY, 0x19, 0x00}, + {DEMOD_WRITE, 0x00, 0x00}, + {DEMOD_WRITE, 0x9a, 0xb0}, + {DEMOD_WRITE, 0x81, 0xc1}, + {TUNER_WRITE, 0x42, 0x73}, + {TUNER_WRITE, 0x05, 0x07}, + {TUNER_WRITE, 0x20, 0x27}, + {TUNER_WRITE, 0x07, 0x02}, + {TUNER_WRITE, 0x11, 0xff}, + {TUNER_WRITE, 0x60, 0xf9}, + {TUNER_WRITE, 0x08, 0x01}, + {TUNER_WRITE, 0x00, 0x41}, + {DEMOD_WRITE, 0x81, 0x81}, + {DEMOD_WRITE, 0x86, 0xc6}, + {DEMOD_WRITE, 0x9a, 0x30}, + {DEMOD_WRITE, 0xf0, 0x22}, + {DEMOD_WRITE, 0xf1, 0xbf}, + {DEMOD_WRITE, 0xb0, 0x45}, + {DEMOD_WRITE, 0xb2, 0x01}, /* set voltage pin always set 1*/ + {DEMOD_WRITE, 0x9a, 0xb0}, + {0xff, 0xaa, 0xff} +}; + +struct inittab m88rs2000_shutdown[] = { + {DEMOD_WRITE, 0x9a, 0x30}, + {DEMOD_WRITE, 0xb0, 0x00}, + {DEMOD_WRITE, 0xf1, 0x89}, + {DEMOD_WRITE, 0x00, 0x01}, + {DEMOD_WRITE, 0x9a, 0xb0}, + {TUNER_WRITE, 0x00, 0x40}, + {DEMOD_WRITE, 0x81, 0x81}, + {0xff, 0xaa, 0xff} +}; + +struct inittab tuner_reset[] = { + {TUNER_WRITE, 0x42, 0x73}, + {TUNER_WRITE, 0x05, 0x07}, + {TUNER_WRITE, 0x20, 0x27}, + {TUNER_WRITE, 0x07, 0x02}, + {TUNER_WRITE, 0x11, 0xff}, + {TUNER_WRITE, 0x60, 0xf9}, + {TUNER_WRITE, 0x08, 0x01}, + {TUNER_WRITE, 0x00, 0x41}, + {0xff, 0xaa, 0xff} +}; + +struct inittab fe_reset[] = { + {DEMOD_WRITE, 0x00, 0x01}, + {DEMOD_WRITE, 0xf1, 0xbf}, + {DEMOD_WRITE, 0x00, 0x01}, + {DEMOD_WRITE, 0x20, 0x81}, + {DEMOD_WRITE, 0x21, 0x80}, + {DEMOD_WRITE, 0x10, 0x33}, + {DEMOD_WRITE, 0x11, 0x44}, + {DEMOD_WRITE, 0x12, 0x07}, + {DEMOD_WRITE, 0x18, 0x20}, + {DEMOD_WRITE, 0x28, 0x04}, + {DEMOD_WRITE, 0x29, 0x8e}, + {DEMOD_WRITE, 0x3b, 0xff}, + {DEMOD_WRITE, 0x32, 0x10}, + {DEMOD_WRITE, 0x33, 0x02}, + {DEMOD_WRITE, 0x34, 0x30}, + {DEMOD_WRITE, 0x35, 0xff}, + {DEMOD_WRITE, 0x38, 0x50}, + {DEMOD_WRITE, 0x39, 0x68}, + {DEMOD_WRITE, 0x3c, 0x7f}, + {DEMOD_WRITE, 0x3d, 0x0f}, + {DEMOD_WRITE, 0x45, 0x20}, + {DEMOD_WRITE, 0x46, 0x24}, + {DEMOD_WRITE, 0x47, 0x7c}, + {DEMOD_WRITE, 0x48, 0x16}, + {DEMOD_WRITE, 0x49, 0x04}, + {DEMOD_WRITE, 0x4a, 0x01}, + {DEMOD_WRITE, 0x4b, 0x78}, + {DEMOD_WRITE, 0X4d, 0xd2}, + {DEMOD_WRITE, 0x4e, 0x6d}, + {DEMOD_WRITE, 0x50, 0x30}, + {DEMOD_WRITE, 0x51, 0x30}, + {DEMOD_WRITE, 0x54, 0x7b}, + {DEMOD_WRITE, 0x56, 0x09}, + {DEMOD_WRITE, 0x58, 0x59}, + {DEMOD_WRITE, 0x59, 0x37}, + {DEMOD_WRITE, 0x63, 0xfa}, + {0xff, 0xaa, 0xff} +}; + +struct inittab fe_trigger[] = { + {DEMOD_WRITE, 0x97, 0x04}, + {DEMOD_WRITE, 0x99, 0x77}, + {DEMOD_WRITE, 0x9b, 0x64}, + {DEMOD_WRITE, 0x9e, 0x00}, + {DEMOD_WRITE, 0x9f, 0xf8}, + {DEMOD_WRITE, 0xa0, 0x20}, + {DEMOD_WRITE, 0xa1, 0xe0}, + {DEMOD_WRITE, 0xa3, 0x38}, + {DEMOD_WRITE, 0x98, 0xff}, + {DEMOD_WRITE, 0xc0, 0x0f}, + {DEMOD_WRITE, 0x89, 0x01}, + {DEMOD_WRITE, 0x00, 0x00}, + {WRITE_DELAY, 0x0a, 0x00}, + {DEMOD_WRITE, 0x00, 0x01}, + {DEMOD_WRITE, 0x00, 0x00}, + {DEMOD_WRITE, 0x9a, 0xb0}, + {0xff, 0xaa, 0xff} +}; + +static int m88rs2000_tab_set(struct m88rs2000_state *state, + struct inittab *tab) +{ + int ret = 0; + u8 i; + if (tab == NULL) + return -EINVAL; + + for (i = 0; i < 255; i++) { + switch (tab[i].cmd) { + case 0x01: + ret = m88rs2000_demod_write(state, tab[i].reg, + tab[i].val); + break; + case 0x02: + ret = m88rs2000_tuner_write(state, tab[i].reg, + tab[i].val); + break; + case 0x10: + if (tab[i].reg > 0) + mdelay(tab[i].reg); + break; + case 0xff: + if (tab[i].reg == 0xaa && tab[i].val == 0xff) + return 0; + case 0x00: + break; + default: + return -EINVAL; + } + if (ret < 0) + return -ENODEV; + } + return 0; +} + +static int m88rs2000_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t volt) +{ + deb_info("%s: %s\n", __func__, + volt == SEC_VOLTAGE_13 ? "SEC_VOLTAGE_13" : + volt == SEC_VOLTAGE_18 ? "SEC_VOLTAGE_18" : "??"); + + return 0; +} + +static int m88rs2000_startup(struct m88rs2000_state *state) +{ + int ret = 0; + u8 reg; + + reg = m88rs2000_tuner_read(state, 0x00); + if ((reg & 0x40) == 0) + ret = -ENODEV; + + return ret; +} + +static int m88rs2000_init(struct dvb_frontend *fe) +{ + struct m88rs2000_state *state = fe->demodulator_priv; + int ret; + + deb_info("m88rs2000: init chip\n"); + /* Setup frontend from shutdown/cold */ + ret = m88rs2000_tab_set(state, m88rs2000_setup); + + return ret; +} + +static int m88rs2000_sleep(struct dvb_frontend *fe) +{ + struct m88rs2000_state *state = fe->demodulator_priv; + int ret; + /* Shutdown the frondend */ + ret = m88rs2000_tab_set(state, m88rs2000_shutdown); + return ret; +} + +static int m88rs2000_read_status(struct dvb_frontend *fe, fe_status_t *status) +{ + struct m88rs2000_state *state = fe->demodulator_priv; + u8 reg = m88rs2000_demod_read(state, 0x8c); + + *status = 0; + + if ((reg & 0x7) == 0x7) { + *status = FE_HAS_CARRIER | FE_HAS_SIGNAL | FE_HAS_VITERBI + | FE_HAS_LOCK; + if (state->config->set_ts_params) + state->config->set_ts_params(fe, CALL_IS_READ); + } + return 0; +} + +/* Extact code for these unknown but lmedm04 driver uses interupt callbacks */ + +static int m88rs2000_read_ber(struct dvb_frontend *fe, u32 *ber) +{ + deb_info("m88rs2000_read_ber %d\n", *ber); + *ber = 0; + return 0; +} + +static int m88rs2000_read_signal_strength(struct dvb_frontend *fe, + u16 *strength) +{ + *strength = 0; + return 0; +} + +static int m88rs2000_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + deb_info("m88rs2000_read_snr %d\n", *snr); + *snr = 0; + return 0; +} + +static int m88rs2000_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) +{ + deb_info("m88rs2000_read_ber %d\n", *ucblocks); + *ucblocks = 0; + return 0; +} + +static int m88rs2000_tuner_gate_ctrl(struct m88rs2000_state *state, u8 offset) +{ + int ret; + ret = m88rs2000_tuner_write(state, 0x51, 0x1f - offset); + ret |= m88rs2000_tuner_write(state, 0x51, 0x1f); + ret |= m88rs2000_tuner_write(state, 0x50, offset); + ret |= m88rs2000_tuner_write(state, 0x50, 0x00); + msleep(20); + return ret; +} + +static int m88rs2000_set_tuner_rf(struct dvb_frontend *fe) +{ + struct m88rs2000_state *state = fe->demodulator_priv; + int reg; + reg = m88rs2000_tuner_read(state, 0x3d); + reg &= 0x7f; + if (reg < 0x16) + reg = 0xa1; + else if (reg == 0x16) + reg = 0x99; + else + reg = 0xf9; + + m88rs2000_tuner_write(state, 0x60, reg); + reg = m88rs2000_tuner_gate_ctrl(state, 0x08); + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + return reg; +} + +static int m88rs2000_set_tuner(struct dvb_frontend *fe, u16 *offset) +{ + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + struct m88rs2000_state *state = fe->demodulator_priv; + int ret; + u32 frequency = c->frequency; + s32 offset_khz; + s32 tmp; + u32 symbol_rate = (c->symbol_rate / 1000); + u32 f3db, gdiv28; + u16 value, ndiv, lpf_coeff; + u8 lpf_mxdiv, mlpf_max, mlpf_min, nlpf; + u8 lo = 0x01, div4 = 0x0; + + /* Reset Tuner */ + ret = m88rs2000_tab_set(state, tuner_reset); + + /* Calculate frequency divider */ + if (frequency < 1060000) { + lo |= 0x10; + div4 = 0x1; + ndiv = (frequency * 14 * 4) / FE_CRYSTAL_KHZ; + } else + ndiv = (frequency * 14 * 2) / FE_CRYSTAL_KHZ; + ndiv = ndiv + ndiv % 2; + ndiv = ndiv - 1024; + + ret = m88rs2000_tuner_write(state, 0x10, 0x80 | lo); + + /* Set frequency divider */ + ret |= m88rs2000_tuner_write(state, 0x01, (ndiv >> 8) & 0xf); + ret |= m88rs2000_tuner_write(state, 0x02, ndiv & 0xff); + + ret |= m88rs2000_tuner_write(state, 0x03, 0x06); + ret |= m88rs2000_tuner_gate_ctrl(state, 0x10); + if (ret < 0) + return -ENODEV; + + /* Tuner Frequency Range */ + ret = m88rs2000_tuner_write(state, 0x10, lo); + + ret |= m88rs2000_tuner_gate_ctrl(state, 0x08); + + /* Tuner RF */ + ret |= m88rs2000_set_tuner_rf(fe); + + gdiv28 = (FE_CRYSTAL_KHZ / 1000 * 1694 + 500) / 1000; + ret |= m88rs2000_tuner_write(state, 0x04, gdiv28 & 0xff); + ret |= m88rs2000_tuner_gate_ctrl(state, 0x04); + if (ret < 0) + return -ENODEV; + + value = m88rs2000_tuner_read(state, 0x26); + + f3db = (symbol_rate * 135) / 200 + 2000; + f3db += FREQ_OFFSET_LOW_SYM_RATE; + if (f3db < 7000) + f3db = 7000; + if (f3db > 40000) + f3db = 40000; + + gdiv28 = gdiv28 * 207 / (value * 2 + 151); + mlpf_max = gdiv28 * 135 / 100; + mlpf_min = gdiv28 * 78 / 100; + if (mlpf_max > 63) + mlpf_max = 63; + + lpf_coeff = 2766; + + nlpf = (f3db * gdiv28 * 2 / lpf_coeff / + (FE_CRYSTAL_KHZ / 1000) + 1) / 2; + if (nlpf > 23) + nlpf = 23; + if (nlpf < 1) + nlpf = 1; + + lpf_mxdiv = (nlpf * (FE_CRYSTAL_KHZ / 1000) + * lpf_coeff * 2 / f3db + 1) / 2; + + if (lpf_mxdiv < mlpf_min) { + nlpf++; + lpf_mxdiv = (nlpf * (FE_CRYSTAL_KHZ / 1000) + * lpf_coeff * 2 / f3db + 1) / 2; + } + + if (lpf_mxdiv > mlpf_max) + lpf_mxdiv = mlpf_max; + + ret = m88rs2000_tuner_write(state, 0x04, lpf_mxdiv); + ret |= m88rs2000_tuner_write(state, 0x06, nlpf); + + ret |= m88rs2000_tuner_gate_ctrl(state, 0x04); + + ret |= m88rs2000_tuner_gate_ctrl(state, 0x01); + + msleep(80); + /* calculate offset assuming 96000kHz*/ + offset_khz = (ndiv - ndiv % 2 + 1024) * FE_CRYSTAL_KHZ + / 14 / (div4 + 1) / 2; + + offset_khz -= frequency; + + tmp = offset_khz; + tmp *= 65536; + + tmp = (2 * tmp + 96000) / (2 * 96000); + if (tmp < 0) + tmp += 65536; + + *offset = tmp & 0xffff; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + + return (ret < 0) ? -EINVAL : 0; +} + +static int m88rs2000_set_fec(struct m88rs2000_state *state, + fe_code_rate_t fec) +{ + int ret; + u16 fec_set; + switch (fec) { + /* This is not confirmed kept for reference */ +/* case FEC_1_2: + fec_set = 0x88; + break; + case FEC_2_3: + fec_set = 0x68; + break; + case FEC_3_4: + fec_set = 0x48; + break; + case FEC_5_6: + fec_set = 0x28; + break; + case FEC_7_8: + fec_set = 0x18; + break; */ + case FEC_AUTO: + default: + fec_set = 0x08; + } + ret = m88rs2000_demod_write(state, 0x76, fec_set); + + return 0; +} + + +static fe_code_rate_t m88rs2000_get_fec(struct m88rs2000_state *state) +{ + u8 reg; + m88rs2000_demod_write(state, 0x9a, 0x30); + reg = m88rs2000_demod_read(state, 0x76); + m88rs2000_demod_write(state, 0x9a, 0xb0); + + switch (reg) { + case 0x88: + return FEC_1_2; + case 0x68: + return FEC_2_3; + case 0x48: + return FEC_3_4; + case 0x28: + return FEC_5_6; + case 0x18: + return FEC_7_8; + case 0x08: + default: + break; + } + + return FEC_AUTO; +} + +static int m88rs2000_set_frontend(struct dvb_frontend *fe) +{ + struct m88rs2000_state *state = fe->demodulator_priv; + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + fe_status_t status; + int i, ret; + u16 offset = 0; + u8 reg; + + state->no_lock_count = 0; + + if (c->delivery_system != SYS_DVBS) { + deb_info("%s: unsupported delivery " + "system selected (%d)\n", + __func__, c->delivery_system); + return -EOPNOTSUPP; + } + + /* Set Tuner */ + ret = m88rs2000_set_tuner(fe, &offset); + if (ret < 0) + return -ENODEV; + + ret = m88rs2000_demod_write(state, 0x9a, 0x30); + /* Unknown usually 0xc6 sometimes 0xc1 */ + reg = m88rs2000_demod_read(state, 0x86); + ret |= m88rs2000_demod_write(state, 0x86, reg); + /* Offset lower nibble always 0 */ + ret |= m88rs2000_demod_write(state, 0x9c, (offset >> 8)); + ret |= m88rs2000_demod_write(state, 0x9d, offset & 0xf0); + + + /* Reset Demod */ + ret = m88rs2000_tab_set(state, fe_reset); + if (ret < 0) + return -ENODEV; + + /* Unknown */ + reg = m88rs2000_demod_read(state, 0x70); + ret = m88rs2000_demod_write(state, 0x70, reg); + + /* Set FEC */ + ret |= m88rs2000_set_fec(state, c->fec_inner); + ret |= m88rs2000_demod_write(state, 0x85, 0x1); + ret |= m88rs2000_demod_write(state, 0x8a, 0xbf); + ret |= m88rs2000_demod_write(state, 0x8d, 0x1e); + ret |= m88rs2000_demod_write(state, 0x90, 0xf1); + ret |= m88rs2000_demod_write(state, 0x91, 0x08); + + if (ret < 0) + return -ENODEV; + + /* Set Symbol Rate */ + ret = m88rs2000_set_symbolrate(fe, c->symbol_rate); + if (ret < 0) + return -ENODEV; + + /* Set up Demod */ + ret = m88rs2000_tab_set(state, fe_trigger); + if (ret < 0) + return -ENODEV; + + for (i = 0; i < 25; i++) { + u8 reg = m88rs2000_demod_read(state, 0x8c); + if ((reg & 0x7) == 0x7) { + status = FE_HAS_LOCK; + break; + } + state->no_lock_count++; + if (state->no_lock_count > 15) { + reg = m88rs2000_demod_read(state, 0x70); + reg ^= 0x4; + m88rs2000_demod_write(state, 0x70, reg); + state->no_lock_count = 0; + } + if (state->no_lock_count == 20) + m88rs2000_set_tuner_rf(fe); + msleep(20); + } + + if (status & FE_HAS_LOCK) { + state->fec_inner = m88rs2000_get_fec(state); + /* Uknown suspect SNR level */ + reg = m88rs2000_demod_read(state, 0x65); + } + + state->tuner_frequency = c->frequency; + state->symbol_rate = c->symbol_rate; + return 0; +} + +static int m88rs2000_get_frontend(struct dvb_frontend *fe) +{ + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + struct m88rs2000_state *state = fe->demodulator_priv; + c->fec_inner = state->fec_inner; + c->frequency = state->tuner_frequency; + c->symbol_rate = state->symbol_rate; + return 0; +} + +static int m88rs2000_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) +{ + struct m88rs2000_state *state = fe->demodulator_priv; + + if (enable) + m88rs2000_demod_write(state, 0x81, 0x84); + else + m88rs2000_demod_write(state, 0x81, 0x81); + udelay(10); + return 0; +} + +static void m88rs2000_release(struct dvb_frontend *fe) +{ + struct m88rs2000_state *state = fe->demodulator_priv; + kfree(state); +} + +static struct dvb_frontend_ops m88rs2000_ops = { + .delsys = { SYS_DVBS }, + .info = { + .name = "M88RS2000 DVB-S", + .frequency_min = 950000, + .frequency_max = 2150000, + .frequency_stepsize = 1000, /* kHz for QPSK frontends */ + .frequency_tolerance = 5000, + .symbol_rate_min = 1000000, + .symbol_rate_max = 45000000, + .symbol_rate_tolerance = 500, /* ppm */ + .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | + FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | + FE_CAN_QPSK | + FE_CAN_FEC_AUTO + }, + + .release = m88rs2000_release, + .init = m88rs2000_init, + .sleep = m88rs2000_sleep, + .write = m88rs2000_write, + .i2c_gate_ctrl = m88rs2000_i2c_gate_ctrl, + .read_status = m88rs2000_read_status, + .read_ber = m88rs2000_read_ber, + .read_signal_strength = m88rs2000_read_signal_strength, + .read_snr = m88rs2000_read_snr, + .read_ucblocks = m88rs2000_read_ucblocks, + .diseqc_send_master_cmd = m88rs2000_send_diseqc_msg, + .diseqc_send_burst = m88rs2000_send_diseqc_burst, + .set_tone = m88rs2000_set_tone, + .set_voltage = m88rs2000_set_voltage, + + .set_frontend = m88rs2000_set_frontend, + .get_frontend = m88rs2000_get_frontend, +}; + +struct dvb_frontend *m88rs2000_attach(const struct m88rs2000_config *config, + struct i2c_adapter *i2c) +{ + struct m88rs2000_state *state = NULL; + + /* allocate memory for the internal state */ + state = kzalloc(sizeof(struct m88rs2000_state), GFP_KERNEL); + if (state == NULL) + goto error; + + /* setup the state */ + state->config = config; + state->i2c = i2c; + state->tuner_frequency = 0; + state->symbol_rate = 0; + state->fec_inner = 0; + + if (m88rs2000_startup(state) < 0) + goto error; + + /* create dvb_frontend */ + memcpy(&state->frontend.ops, &m88rs2000_ops, + sizeof(struct dvb_frontend_ops)); + state->frontend.demodulator_priv = state; + return &state->frontend; + +error: + kfree(state); + + return NULL; +} +EXPORT_SYMBOL(m88rs2000_attach); + +MODULE_DESCRIPTION("M88RS2000 DVB-S Demodulator driver"); +MODULE_AUTHOR("Malcolm Priestley tvboxspy@gmail.com"); +MODULE_LICENSE("GPL"); +MODULE_VERSION("1.13"); + diff --git a/drivers/media/dvb/frontends/m88rs2000.h b/drivers/media/dvb/frontends/m88rs2000.h new file mode 100644 index 000000000000..59acdb696873 --- /dev/null +++ b/drivers/media/dvb/frontends/m88rs2000.h @@ -0,0 +1,66 @@ +/* + Driver for M88RS2000 demodulator + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#ifndef M88RS2000_H +#define M88RS2000_H + +#include <linux/dvb/frontend.h> +#include "dvb_frontend.h" + +struct m88rs2000_config { + /* Demodulator i2c address */ + u8 demod_addr; + /* Tuner address */ + u8 tuner_addr; + + u8 *inittab; + + /* minimum delay before retuning */ + int min_delay_ms; + + int (*set_ts_params)(struct dvb_frontend *, int); +}; + +enum { + CALL_IS_SET_FRONTEND = 0x0, + CALL_IS_READ, +}; + +#if defined(CONFIG_DVB_M88RS2000) || (defined(CONFIG_DVB_M88RS2000_MODULE) && \ + defined(MODULE)) +extern struct dvb_frontend *m88rs2000_attach( + const struct m88rs2000_config *config, struct i2c_adapter *i2c); +#else +static inline struct dvb_frontend *m88rs2000_attach( + const struct m88rs2000_config *config, struct i2c_adapter *i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif /* CONFIG_DVB_M88RS2000 */ + +#define FE_CRYSTAL_KHZ 27000 +#define FREQ_OFFSET_LOW_SYM_RATE 3000 + +enum { + DEMOD_WRITE = 0x1, + TUNER_WRITE, + WRITE_DELAY = 0x10, +}; +#endif /* M88RS2000_H */ diff --git a/drivers/media/dvb/frontends/rtl2830.c b/drivers/media/dvb/frontends/rtl2830.c new file mode 100644 index 000000000000..45196c5b0736 --- /dev/null +++ b/drivers/media/dvb/frontends/rtl2830.c @@ -0,0 +1,562 @@ +/* + * Realtek RTL2830 DVB-T demodulator driver + * + * Copyright (C) 2011 Antti Palosaari <crope@iki.fi> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + + +/* + * Driver implements own I2C-adapter for tuner I2C access. That's since chip + * have unusual I2C-gate control which closes gate automatically after each + * I2C transfer. Using own I2C adapter we can workaround that. + */ + +#include "rtl2830_priv.h" + +int rtl2830_debug; +module_param_named(debug, rtl2830_debug, int, 0644); +MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); + +/* write multiple hardware registers */ +static int rtl2830_wr(struct rtl2830_priv *priv, u8 reg, u8 *val, int len) +{ + int ret; + u8 buf[1+len]; + struct i2c_msg msg[1] = { + { + .addr = priv->cfg.i2c_addr, + .flags = 0, + .len = 1+len, + .buf = buf, + } + }; + + buf[0] = reg; + memcpy(&buf[1], val, len); + + ret = i2c_transfer(priv->i2c, msg, 1); + if (ret == 1) { + ret = 0; + } else { + warn("i2c wr failed=%d reg=%02x len=%d", ret, reg, len); + ret = -EREMOTEIO; + } + return ret; +} + +/* read multiple hardware registers */ +static int rtl2830_rd(struct rtl2830_priv *priv, u8 reg, u8 *val, int len) +{ + int ret; + struct i2c_msg msg[2] = { + { + .addr = priv->cfg.i2c_addr, + .flags = 0, + .len = 1, + .buf = ®, + }, { + .addr = priv->cfg.i2c_addr, + .flags = I2C_M_RD, + .len = len, + .buf = val, + } + }; + + ret = i2c_transfer(priv->i2c, msg, 2); + if (ret == 2) { + ret = 0; + } else { + warn("i2c rd failed=%d reg=%02x len=%d", ret, reg, len); + ret = -EREMOTEIO; + } + return ret; +} + +/* write multiple registers */ +static int rtl2830_wr_regs(struct rtl2830_priv *priv, u16 reg, u8 *val, int len) +{ + int ret; + u8 reg2 = (reg >> 0) & 0xff; + u8 page = (reg >> 8) & 0xff; + + /* switch bank if needed */ + if (page != priv->page) { + ret = rtl2830_wr(priv, 0x00, &page, 1); + if (ret) + return ret; + + priv->page = page; + } + + return rtl2830_wr(priv, reg2, val, len); +} + +/* read multiple registers */ +static int rtl2830_rd_regs(struct rtl2830_priv *priv, u16 reg, u8 *val, int len) +{ + int ret; + u8 reg2 = (reg >> 0) & 0xff; + u8 page = (reg >> 8) & 0xff; + + /* switch bank if needed */ + if (page != priv->page) { + ret = rtl2830_wr(priv, 0x00, &page, 1); + if (ret) + return ret; + + priv->page = page; + } + + return rtl2830_rd(priv, reg2, val, len); +} + +#if 0 /* currently not used */ +/* write single register */ +static int rtl2830_wr_reg(struct rtl2830_priv *priv, u16 reg, u8 val) +{ + return rtl2830_wr_regs(priv, reg, &val, 1); +} +#endif + +/* read single register */ +static int rtl2830_rd_reg(struct rtl2830_priv *priv, u16 reg, u8 *val) +{ + return rtl2830_rd_regs(priv, reg, val, 1); +} + +/* write single register with mask */ +int rtl2830_wr_reg_mask(struct rtl2830_priv *priv, u16 reg, u8 val, u8 mask) +{ + int ret; + u8 tmp; + + /* no need for read if whole reg is written */ + if (mask != 0xff) { + ret = rtl2830_rd_regs(priv, reg, &tmp, 1); + if (ret) + return ret; + + val &= mask; + tmp &= ~mask; + val |= tmp; + } + + return rtl2830_wr_regs(priv, reg, &val, 1); +} + +/* read single register with mask */ +int rtl2830_rd_reg_mask(struct rtl2830_priv *priv, u16 reg, u8 *val, u8 mask) +{ + int ret, i; + u8 tmp; + + ret = rtl2830_rd_regs(priv, reg, &tmp, 1); + if (ret) + return ret; + + tmp &= mask; + + /* find position of the first bit */ + for (i = 0; i < 8; i++) { + if ((mask >> i) & 0x01) + break; + } + *val = tmp >> i; + + return 0; +} + +static int rtl2830_init(struct dvb_frontend *fe) +{ + struct rtl2830_priv *priv = fe->demodulator_priv; + int ret, i; + u64 num; + u8 buf[3], tmp; + u32 if_ctl; + struct rtl2830_reg_val_mask tab[] = { + { 0x00d, 0x01, 0x03 }, + { 0x00d, 0x10, 0x10 }, + { 0x104, 0x00, 0x1e }, + { 0x105, 0x80, 0x80 }, + { 0x110, 0x02, 0x03 }, + { 0x110, 0x08, 0x0c }, + { 0x17b, 0x00, 0x40 }, + { 0x17d, 0x05, 0x0f }, + { 0x17d, 0x50, 0xf0 }, + { 0x18c, 0x08, 0x0f }, + { 0x18d, 0x00, 0xc0 }, + { 0x188, 0x05, 0x0f }, + { 0x189, 0x00, 0xfc }, + { 0x2d5, 0x02, 0x02 }, + { 0x2f1, 0x02, 0x06 }, + { 0x2f1, 0x20, 0xf8 }, + { 0x16d, 0x00, 0x01 }, + { 0x1a6, 0x00, 0x80 }, + { 0x106, priv->cfg.vtop, 0x3f }, + { 0x107, priv->cfg.krf, 0x3f }, + { 0x112, 0x28, 0xff }, + { 0x103, priv->cfg.agc_targ_val, 0xff }, + { 0x00a, 0x02, 0x07 }, + { 0x140, 0x0c, 0x3c }, + { 0x140, 0x40, 0xc0 }, + { 0x15b, 0x05, 0x07 }, + { 0x15b, 0x28, 0x38 }, + { 0x15c, 0x05, 0x07 }, + { 0x15c, 0x28, 0x38 }, + { 0x115, priv->cfg.spec_inv, 0x01 }, + { 0x16f, 0x01, 0x07 }, + { 0x170, 0x18, 0x38 }, + { 0x172, 0x0f, 0x0f }, + { 0x173, 0x08, 0x38 }, + { 0x175, 0x01, 0x07 }, + { 0x176, 0x00, 0xc0 }, + }; + + for (i = 0; i < ARRAY_SIZE(tab); i++) { + ret = rtl2830_wr_reg_mask(priv, tab[i].reg, tab[i].val, + tab[i].mask); + if (ret) + goto err; + } + + ret = rtl2830_wr_regs(priv, 0x18f, "\x28\x00", 2); + if (ret) + goto err; + + ret = rtl2830_wr_regs(priv, 0x195, + "\x04\x06\x0a\x12\x0a\x12\x1e\x28", 8); + if (ret) + goto err; + + num = priv->cfg.if_dvbt % priv->cfg.xtal; + num *= 0x400000; + num = div_u64(num, priv->cfg.xtal); + num = -num; + if_ctl = num & 0x3fffff; + dbg("%s: if_ctl=%08x", __func__, if_ctl); + + ret = rtl2830_rd_reg_mask(priv, 0x119, &tmp, 0xc0); /* b[7:6] */ + if (ret) + goto err; + + buf[0] = tmp << 6; + buf[0] = (if_ctl >> 16) & 0x3f; + buf[1] = (if_ctl >> 8) & 0xff; + buf[2] = (if_ctl >> 0) & 0xff; + + ret = rtl2830_wr_regs(priv, 0x119, buf, 3); + if (ret) + goto err; + + /* TODO: spec init */ + + /* soft reset */ + ret = rtl2830_wr_reg_mask(priv, 0x101, 0x04, 0x04); + if (ret) + goto err; + + ret = rtl2830_wr_reg_mask(priv, 0x101, 0x00, 0x04); + if (ret) + goto err; + + priv->sleeping = false; + + return ret; +err: + dbg("%s: failed=%d", __func__, ret); + return ret; +} + +static int rtl2830_sleep(struct dvb_frontend *fe) +{ + struct rtl2830_priv *priv = fe->demodulator_priv; + priv->sleeping = true; + return 0; +} + +int rtl2830_get_tune_settings(struct dvb_frontend *fe, + struct dvb_frontend_tune_settings *s) +{ + s->min_delay_ms = 500; + s->step_size = fe->ops.info.frequency_stepsize * 2; + s->max_drift = (fe->ops.info.frequency_stepsize * 2) + 1; + + return 0; +} + +static int rtl2830_set_frontend(struct dvb_frontend *fe) +{ + struct rtl2830_priv *priv = fe->demodulator_priv; + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + int ret, i; + static u8 bw_params1[3][34] = { + { + 0x1f, 0xf0, 0x1f, 0xf0, 0x1f, 0xfa, 0x00, 0x17, 0x00, 0x41, + 0x00, 0x64, 0x00, 0x67, 0x00, 0x38, 0x1f, 0xde, 0x1f, 0x7a, + 0x1f, 0x47, 0x1f, 0x7c, 0x00, 0x30, 0x01, 0x4b, 0x02, 0x82, + 0x03, 0x73, 0x03, 0xcf, /* 6 MHz */ + }, { + 0x1f, 0xfa, 0x1f, 0xda, 0x1f, 0xc1, 0x1f, 0xb3, 0x1f, 0xca, + 0x00, 0x07, 0x00, 0x4d, 0x00, 0x6d, 0x00, 0x40, 0x1f, 0xca, + 0x1f, 0x4d, 0x1f, 0x2a, 0x1f, 0xb2, 0x00, 0xec, 0x02, 0x7e, + 0x03, 0xd0, 0x04, 0x53, /* 7 MHz */ + }, { + 0x00, 0x10, 0x00, 0x0e, 0x1f, 0xf7, 0x1f, 0xc9, 0x1f, 0xa0, + 0x1f, 0xa6, 0x1f, 0xec, 0x00, 0x4e, 0x00, 0x7d, 0x00, 0x3a, + 0x1f, 0x98, 0x1f, 0x10, 0x1f, 0x40, 0x00, 0x75, 0x02, 0x5f, + 0x04, 0x24, 0x04, 0xdb, /* 8 MHz */ + }, + }; + static u8 bw_params2[3][6] = { + {0xc3, 0x0c, 0x44, 0x33, 0x33, 0x30,}, /* 6 MHz */ + {0xb8, 0xe3, 0x93, 0x99, 0x99, 0x98,}, /* 7 MHz */ + {0xae, 0xba, 0xf3, 0x26, 0x66, 0x64,}, /* 8 MHz */ + }; + + + dbg("%s: frequency=%d bandwidth_hz=%d inversion=%d", __func__, + c->frequency, c->bandwidth_hz, c->inversion); + + /* program tuner */ + if (fe->ops.tuner_ops.set_params) + fe->ops.tuner_ops.set_params(fe); + + switch (c->bandwidth_hz) { + case 6000000: + i = 0; + break; + case 7000000: + i = 1; + break; + case 8000000: + i = 2; + break; + default: + dbg("invalid bandwidth"); + return -EINVAL; + } + + ret = rtl2830_wr_reg_mask(priv, 0x008, i << 1, 0x06); + if (ret) + goto err; + + /* 1/2 split I2C write */ + ret = rtl2830_wr_regs(priv, 0x11c, &bw_params1[i][0], 17); + if (ret) + goto err; + + /* 2/2 split I2C write */ + ret = rtl2830_wr_regs(priv, 0x12d, &bw_params1[i][17], 17); + if (ret) + goto err; + + ret = rtl2830_wr_regs(priv, 0x19d, bw_params2[i], 6); + if (ret) + goto err; + + return ret; +err: + dbg("%s: failed=%d", __func__, ret); + return ret; +} + +static int rtl2830_read_status(struct dvb_frontend *fe, fe_status_t *status) +{ + struct rtl2830_priv *priv = fe->demodulator_priv; + int ret; + u8 tmp; + *status = 0; + + if (priv->sleeping) + return 0; + + ret = rtl2830_rd_reg_mask(priv, 0x351, &tmp, 0x78); /* [6:3] */ + if (ret) + goto err; + + if (tmp == 11) { + *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | + FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK; + } else if (tmp == 10) { + *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | + FE_HAS_VITERBI; + } + + return ret; +err: + dbg("%s: failed=%d", __func__, ret); + return ret; +} + +static int rtl2830_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + *snr = 0; + return 0; +} + +static int rtl2830_read_ber(struct dvb_frontend *fe, u32 *ber) +{ + *ber = 0; + return 0; +} + +static int rtl2830_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) +{ + *ucblocks = 0; + return 0; +} + +static int rtl2830_read_signal_strength(struct dvb_frontend *fe, u16 *strength) +{ + *strength = 0; + return 0; +} + +static struct dvb_frontend_ops rtl2830_ops; + +static u32 rtl2830_tuner_i2c_func(struct i2c_adapter *adapter) +{ + return I2C_FUNC_I2C; +} + +static int rtl2830_tuner_i2c_xfer(struct i2c_adapter *i2c_adap, + struct i2c_msg msg[], int num) +{ + struct rtl2830_priv *priv = i2c_get_adapdata(i2c_adap); + int ret; + + /* open i2c-gate */ + ret = rtl2830_wr_reg_mask(priv, 0x101, 0x08, 0x08); + if (ret) + goto err; + + ret = i2c_transfer(priv->i2c, msg, num); + if (ret < 0) + warn("tuner i2c failed=%d", ret); + + return ret; +err: + dbg("%s: failed=%d", __func__, ret); + return ret; +} + +static struct i2c_algorithm rtl2830_tuner_i2c_algo = { + .master_xfer = rtl2830_tuner_i2c_xfer, + .functionality = rtl2830_tuner_i2c_func, +}; + +struct i2c_adapter *rtl2830_get_tuner_i2c_adapter(struct dvb_frontend *fe) +{ + struct rtl2830_priv *priv = fe->demodulator_priv; + return &priv->tuner_i2c_adapter; +} +EXPORT_SYMBOL(rtl2830_get_tuner_i2c_adapter); + +static void rtl2830_release(struct dvb_frontend *fe) +{ + struct rtl2830_priv *priv = fe->demodulator_priv; + + i2c_del_adapter(&priv->tuner_i2c_adapter); + kfree(priv); +} + +struct dvb_frontend *rtl2830_attach(const struct rtl2830_config *cfg, + struct i2c_adapter *i2c) +{ + struct rtl2830_priv *priv = NULL; + int ret = 0; + u8 tmp; + + /* allocate memory for the internal state */ + priv = kzalloc(sizeof(struct rtl2830_priv), GFP_KERNEL); + if (priv == NULL) + goto err; + + /* setup the priv */ + priv->i2c = i2c; + memcpy(&priv->cfg, cfg, sizeof(struct rtl2830_config)); + + /* check if the demod is there */ + ret = rtl2830_rd_reg(priv, 0x000, &tmp); + if (ret) + goto err; + + /* create dvb_frontend */ + memcpy(&priv->fe.ops, &rtl2830_ops, sizeof(struct dvb_frontend_ops)); + priv->fe.demodulator_priv = priv; + + /* create tuner i2c adapter */ + strlcpy(priv->tuner_i2c_adapter.name, "RTL2830 tuner I2C adapter", + sizeof(priv->tuner_i2c_adapter.name)); + priv->tuner_i2c_adapter.algo = &rtl2830_tuner_i2c_algo; + priv->tuner_i2c_adapter.algo_data = NULL; + i2c_set_adapdata(&priv->tuner_i2c_adapter, priv); + if (i2c_add_adapter(&priv->tuner_i2c_adapter) < 0) { + err("tuner I2C bus could not be initialized"); + goto err; + } + + priv->sleeping = true; + + return &priv->fe; +err: + dbg("%s: failed=%d", __func__, ret); + kfree(priv); + return NULL; +} +EXPORT_SYMBOL(rtl2830_attach); + +static struct dvb_frontend_ops rtl2830_ops = { + .delsys = { SYS_DVBT }, + .info = { + .name = "Realtek RTL2830 (DVB-T)", + .caps = FE_CAN_FEC_1_2 | + FE_CAN_FEC_2_3 | + FE_CAN_FEC_3_4 | + FE_CAN_FEC_5_6 | + FE_CAN_FEC_7_8 | + FE_CAN_FEC_AUTO | + FE_CAN_QPSK | + FE_CAN_QAM_16 | + FE_CAN_QAM_64 | + FE_CAN_QAM_AUTO | + FE_CAN_TRANSMISSION_MODE_AUTO | + FE_CAN_GUARD_INTERVAL_AUTO | + FE_CAN_HIERARCHY_AUTO | + FE_CAN_RECOVER | + FE_CAN_MUTE_TS + }, + + .release = rtl2830_release, + + .init = rtl2830_init, + .sleep = rtl2830_sleep, + + .get_tune_settings = rtl2830_get_tune_settings, + + .set_frontend = rtl2830_set_frontend, + + .read_status = rtl2830_read_status, + .read_snr = rtl2830_read_snr, + .read_ber = rtl2830_read_ber, + .read_ucblocks = rtl2830_read_ucblocks, + .read_signal_strength = rtl2830_read_signal_strength, +}; + +MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); +MODULE_DESCRIPTION("Realtek RTL2830 DVB-T demodulator driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb/frontends/rtl2830.h b/drivers/media/dvb/frontends/rtl2830.h new file mode 100644 index 000000000000..1c6ee91749c2 --- /dev/null +++ b/drivers/media/dvb/frontends/rtl2830.h @@ -0,0 +1,97 @@ +/* + * Realtek RTL2830 DVB-T demodulator driver + * + * Copyright (C) 2011 Antti Palosaari <crope@iki.fi> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef RTL2830_H +#define RTL2830_H + +#include <linux/dvb/frontend.h> + +struct rtl2830_config { + /* + * Demodulator I2C address. + */ + u8 i2c_addr; + + /* + * Xtal frequency. + * Hz + * 4000000, 16000000, 25000000, 28800000 + */ + u32 xtal; + + /* + * TS output mode. + */ + u8 ts_mode; + + /* + * Spectrum inversion. + */ + bool spec_inv; + + /* + * IFs for all used modes. + * Hz + * 4570000, 4571429, 36000000, 36125000, 36166667, 44000000 + */ + u32 if_dvbt; + + /* + */ + u8 vtop; + + /* + */ + u8 krf; + + /* + */ + u8 agc_targ_val; +}; + +#if defined(CONFIG_DVB_RTL2830) || \ + (defined(CONFIG_DVB_RTL2830_MODULE) && defined(MODULE)) +extern struct dvb_frontend *rtl2830_attach( + const struct rtl2830_config *config, + struct i2c_adapter *i2c +); + +extern struct i2c_adapter *rtl2830_get_tuner_i2c_adapter( + struct dvb_frontend *fe +); +#else +static inline struct dvb_frontend *rtl2830_attach( + const struct rtl2830_config *config, + struct i2c_adapter *i2c +) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} + +static inline struct i2c_adapter *rtl2830_get_tuner_i2c_adapter( + struct dvb_frontend *fe +) +{ + return NULL; +} +#endif + +#endif /* RTL2830_H */ diff --git a/drivers/media/dvb/frontends/rtl2830_priv.h b/drivers/media/dvb/frontends/rtl2830_priv.h new file mode 100644 index 000000000000..4a464761b5b8 --- /dev/null +++ b/drivers/media/dvb/frontends/rtl2830_priv.h @@ -0,0 +1,57 @@ +/* + * Realtek RTL2830 DVB-T demodulator driver + * + * Copyright (C) 2011 Antti Palosaari <crope@iki.fi> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef RTL2830_PRIV_H +#define RTL2830_PRIV_H + +#include "dvb_frontend.h" +#include "rtl2830.h" + +#define LOG_PREFIX "rtl2830" + +#undef dbg +#define dbg(f, arg...) \ + if (rtl2830_debug) \ + printk(KERN_INFO LOG_PREFIX": " f "\n" , ## arg) +#undef err +#define err(f, arg...) printk(KERN_ERR LOG_PREFIX": " f "\n" , ## arg) +#undef info +#define info(f, arg...) printk(KERN_INFO LOG_PREFIX": " f "\n" , ## arg) +#undef warn +#define warn(f, arg...) printk(KERN_WARNING LOG_PREFIX": " f "\n" , ## arg) + +struct rtl2830_priv { + struct i2c_adapter *i2c; + struct dvb_frontend fe; + struct rtl2830_config cfg; + struct i2c_adapter tuner_i2c_adapter; + + bool sleeping; + + u8 page; /* active register page */ +}; + +struct rtl2830_reg_val_mask { + u16 reg; + u8 val; + u8 mask; +}; + +#endif /* RTL2830_PRIV_H */ diff --git a/drivers/media/dvb/frontends/stb0899_drv.c b/drivers/media/dvb/frontends/stb0899_drv.c index 38565beafe23..dd08f4ac64a8 100644 --- a/drivers/media/dvb/frontends/stb0899_drv.c +++ b/drivers/media/dvb/frontends/stb0899_drv.c @@ -67,7 +67,7 @@ static const struct stb0899_tab stb0899_cn_tab[] = { * Crude linear extrapolation below -84.8dBm and above -8.0dBm. */ static const struct stb0899_tab stb0899_dvbsrf_tab[] = { - { -950, -128 }, + { -750, -128 }, { -748, -94 }, { -745, -92 }, { -735, -90 }, @@ -131,7 +131,7 @@ static const struct stb0899_tab stb0899_dvbs2rf_tab[] = { { -730, 13645 }, { -750, 13909 }, { -766, 14153 }, - { -999, 16383 } + { -950, 16383 } }; /* DVB-S2 Es/N0 quant in dB/100 vs read value * 100*/ @@ -964,6 +964,7 @@ static int stb0899_read_signal_strength(struct dvb_frontend *fe, u16 *strength) int val; u32 reg; + *strength = 0; switch (state->delsys) { case SYS_DVBS: case SYS_DSS: @@ -983,11 +984,11 @@ static int stb0899_read_signal_strength(struct dvb_frontend *fe, u16 *strength) break; case SYS_DVBS2: if (internal->lock) { - reg = STB0899_READ_S2REG(STB0899_DEMOD, IF_AGC_GAIN); + reg = STB0899_READ_S2REG(STB0899_S2DEMOD, IF_AGC_GAIN); val = STB0899_GETFIELD(IF_AGC_GAIN, reg); *strength = stb0899_table_lookup(stb0899_dvbs2rf_tab, ARRAY_SIZE(stb0899_dvbs2rf_tab) - 1, val); - *strength += 750; + *strength += 950; dprintk(state->verbose, FE_DEBUG, 1, "IF_AGC_GAIN = 0x%04x, C = %d * 0.1 dBm", val & 0x3fff, *strength); } @@ -1009,6 +1010,7 @@ static int stb0899_read_snr(struct dvb_frontend *fe, u16 *snr) u8 buf[2]; u32 reg; + *snr = 0; reg = stb0899_read_reg(state, STB0899_VSTATUS); switch (state->delsys) { case SYS_DVBS: @@ -1071,7 +1073,7 @@ static int stb0899_read_status(struct dvb_frontend *fe, enum fe_status *status) reg = stb0899_read_reg(state, STB0899_VSTATUS); if (STB0899_GETFIELD(VSTATUS_LOCKEDVIT, reg)) { dprintk(state->verbose, FE_DEBUG, 1, "--------> FE_HAS_CARRIER | FE_HAS_LOCK"); - *status |= FE_HAS_CARRIER | FE_HAS_LOCK; + *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_LOCK; reg = stb0899_read_reg(state, STB0899_PLPARM); if (STB0899_GETFIELD(VITCURPUN, reg)) { diff --git a/drivers/media/dvb/frontends/stv0288.c b/drivers/media/dvb/frontends/stv0288.c index fb5548a82208..632b25156e4c 100644 --- a/drivers/media/dvb/frontends/stv0288.c +++ b/drivers/media/dvb/frontends/stv0288.c @@ -506,7 +506,7 @@ static int stv0288_set_frontend(struct dvb_frontend *fe) tda[1] = (unsigned char)tm; stv0288_writeregI(state, 0x2b, tda[1]); stv0288_writeregI(state, 0x2c, tda[2]); - udelay(30); + msleep(30); } state->tuner_frequency = c->frequency; state->fec_inner = FEC_AUTO; diff --git a/drivers/media/dvb/frontends/tda1004x.c b/drivers/media/dvb/frontends/tda1004x.c index ae6f22aae677..35d72b46aa1e 100644 --- a/drivers/media/dvb/frontends/tda1004x.c +++ b/drivers/media/dvb/frontends/tda1004x.c @@ -1272,7 +1272,7 @@ struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config, /* allocate memory for the internal state */ state = kzalloc(sizeof(struct tda1004x_state), GFP_KERNEL); if (!state) { - printk(KERN_ERR "Can't alocate memory for tda10045 state\n"); + printk(KERN_ERR "Can't allocate memory for tda10045 state\n"); return NULL; } @@ -1342,7 +1342,7 @@ struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config, /* allocate memory for the internal state */ state = kzalloc(sizeof(struct tda1004x_state), GFP_KERNEL); if (!state) { - printk(KERN_ERR "Can't alocate memory for tda10046 state\n"); + printk(KERN_ERR "Can't allocate memory for tda10046 state\n"); return NULL; } diff --git a/drivers/media/dvb/frontends/tda10071.c b/drivers/media/dvb/frontends/tda10071.c index a99205026751..c21bc92d2811 100644 --- a/drivers/media/dvb/frontends/tda10071.c +++ b/drivers/media/dvb/frontends/tda10071.c @@ -1215,7 +1215,7 @@ error: EXPORT_SYMBOL(tda10071_attach); static struct dvb_frontend_ops tda10071_ops = { - .delsys = { SYS_DVBT, SYS_DVBT2 }, + .delsys = { SYS_DVBS, SYS_DVBS2 }, .info = { .name = "NXP TDA10071", .frequency_min = 950000, |